52.84.154.166
server-52-84-154-166.gru3.r.cloudfront.net
52.84.154.204
server-52-84-154-204.gru3.r.cloudfront.net
52.84.154.206
server-52-84-154-206.gru3.r.cloudfront.net
52.84.154.45
server-52-84-154-45.gru3.r.cloudfront.net

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx.l.google.com.